Home / 6,442,688,657.51-9,665,423,974.56-1,961,133,734.49

Finding the Fourth Proportional to 6,442,688,657.51, 9,665,423,974.56 and 1,961,133,734.49

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Solution

The fourth proportional to 6,442,688,657.51, 9,665,423,974.56 and 1,961,133,734.49 is: 2,942,124,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,688,657.51 : 9,665,423,974.56 = 1,961,133,734.49 : x
  2. Step 2: Convert to fraction form
    6,442,688,657.51/9,665,423,974.56 = 1,961,133,734.49/x
  3. Step 3: Cross multiply
    6,442,688,657.51x = 9,665,423,974.56 × 1,961,133,734.49
  4. Step 4: Simplify right side
    6,442,688,657.51x = 18,955,189,014,632,943,616
  5. Step 5: Solve for x
    x = 18,955,189,014,632,943,616/6,442,688,657.51
  6. Step 6: Final answer
    x = 2,942,124,014.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.